Home / 60,543.11-90,818.09-18,424.57

Finding the Fourth Proportional to 60,543.11, 90,818.09 and 18,424.57

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Solution

The fourth proportional to 60,543.11, 90,818.09 and 18,424.57 is: 27,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543.11 : 90,818.09 = 18,424.57 : x
  2. Step 2: Convert to fraction form
    60,543.11/90,818.09 = 18,424.57/x
  3. Step 3: Cross multiply
    60,543.11x = 90,818.09 × 18,424.57
  4. Step 4: Simplify right side
    60,543.11x = 1,673,283,937.30
  5. Step 5: Solve for x
    x = 1,673,283,937.30/60,543.11
  6. Step 6: Final answer
    x = 27,637.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.